Atrial Fibrillation Clinical Trial
Official title:
Can Global Peak Longitudinal Strain Measurements in Combination With Non-invasive ECG Parameters Predict the Success or Failure of Flecainide Treatment for Atrial Fibrillation Patients?
This prospective observational study will include patients with atrial fibrillation that has indication for treatement with flecainide. Included patients are followed during a 12 month period. During the follow-up period they will have four clinical visits, during which clinical data, advanced echocardiographic data (strain and speckle tracking) and ECGs (Glasgow criteria) will be collected. These data will be analysed in relation to outcome parameters as: maintaining a normal sinus rhythm (arrythmia free health status), number of AF-free months, chances of successful electrical cardioversion, frequency of side effects, risk of pro-arrhythmias and mortality. The importance of these two analyses is to improve the use of flecainide. Hence, today patients with low benefit compared to risk of adverse events are inappropriately treated with flecainide with the "trial and error" approach currently used. On the other hand flecainide is currently underutilized, and patients denied the treatment that could improve their quality of life, prognosis and reduce their risk of cardiovascular adverse events. By investigating novel and promising parameters there is the potential of a better prediction of initiating safe and accurate anti-arrhythmic therapy for patients with atrial fibrillation.
Status | Recruiting |
Enrollment | 100 |
Est. completion date | October 2025 |
Est. primary completion date | October 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - All patients with written informed consent who are eligible for flecainide treatment for atrial fibrillation. - The patients must be followed at the Skånes hospitals northwest and Skånes university hospitals. - Age >18 years Exclusion Criteria: - Flecainide treatment with other indication than atrial fibrillation (including atrial flutter). - No secure date for treatment start. - Age <18 years |
Country | Name | City | State |
---|---|---|---|
Sweden | Clinical Sciences, Helsingborg Medical Faculty Lund University | Helsingborg | Skane |
Lead Sponsor | Collaborator |
---|---|
Lund University |
Sweden,
Aliot E, Capucci A, Crijns HJ, Goette A, Tamargo J. Twenty-five years in the making: flecainide is safe and effective for the management of atrial fibrillation. Europace. 2011 Feb;13(2):161-73. doi: 10.1093/europace/euq382. Epub 2010 Dec 7. — View Citation
Andrikopoulos GK, Pastromas S, Tzeis S. Flecainide: Current status and perspectives in arrhythmia management. World J Cardiol. 2015 Feb 26;7(2):76-85. doi: 10.4330/wjc.v7.i2.76. — View Citation
Cardiac Arrhythmia Suppression Trial (CAST) Investigators. Preliminary report: effect of encainide and flecainide on mortality in a randomized trial of arrhythmia suppression after myocardial infarction. N Engl J Med. 1989 Aug 10;321(6):406-12. doi: 10.1056/NEJM198908103210629. — View Citation
Kuppahally SS, Akoum N, Burgon NS, Badger TJ, Kholmovski EG, Vijayakumar S, Rao SN, Blauer J, Fish EN, Dibella EV, Macleod RS, McGann C, Litwin SE, Marrouche NF. Left atrial strain and strain rate in patients with paroxysmal and persistent atrial fibrillation: relationship to left atrial structural remodeling detected by delayed-enhancement MRI. Circ Cardiovasc Imaging. 2010 May;3(3):231-9. doi: 10.1161/CIRCIMAGING.109.865683. Epub 2010 Feb 4. — View Citation
Macfarlane PW, Devine B, Latif S, McLaughlin S, Shoat DB, Watts MP. Methodology of ECG interpretation in the Glasgow program. Methods Inf Med. 1990 Sep;29(4):354-61. — View Citation
Skov MW, Ghouse J, Kuhl JT, Platonov PG, Graff C, Fuchs A, Rasmussen PV, Pietersen A, Nordestgaard BG, Torp-Pedersen C, Hansen SM, Olesen MS, Haunso S, Kober L, Gerds TA, Kofoed KF, Svendsen JH, Holst AG, Nielsen JB. Risk Prediction of Atrial Fibrillation Based on Electrocardiographic Interatrial Block. J Am Heart Assoc. 2018 May 30;7(11):e008247. doi: 10.1161/JAHA.117.008247. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Arrythmia free health status | Can we predict who will maintain a normal sinus rhythm prior to initiation of flecainide? treatment start | During the 12 month follow up | |
Secondary | Number of AF-free months | Can we improve the number of AF-free months by a better prediction model | During the 12 month follow up | |
Secondary | Frequency of side effects | Can we improve the diagnostic accuracy to reduce the frequency of side effects | During the 12 month follow up | |
Secondary | Risk of pro-arrhythmias | Can we improve the diagnostic accuracy to reduce risk of pro-arrhythmias | During the 12 month follow up | |
Secondary | Mortality | Can we improve the diagnostic accuracy to reduce risk mortality | During the 12 month follow up |
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